Improper locking in Linux kernel - CVE-2024-26812

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Main Vulnerability Database Vulnerabilities #VU91529

Improper locking in Linux kernel - CVE-2024-26812

Published: June 8, 2024 / Updated: May 13, 2025


Vulnerability identifier: #VU91529
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2024-26812
CWE-ID: CWE-667
Exploitation vector: Local access
Exploit availability: No public exploit available
Affected software:
Linux kernel
Debian Linux
SUSE Linux Enterprise Server 15
SUSE Linux Enterprise Software Development Kit 12
SUSE Linux Enterprise Real Time 15
SUSE Linux Enterprise High Performance Computing 12
SUSE Linux Enterprise High Performance Computing 15
SUSE Linux Enterprise High Availability Extension 15
SUSE Linux Enterprise Desktop 15
SUSE Linux Enterprise Server for SAP Applications 15
SUSE Linux Enterprise Real Time 12
SUSE Linux Enterprise Server 12
SUSE Linux Enterprise Server for SAP Applications 12
SUSE Linux Enterprise Workstation Extension 15
SUSE Linux Enterprise High Availability Extension 12
openSUSE Leap Micro
SUSE Linux Enterprise Micro
Anolis OS
SUSE Linux Enterprise Live Patching
SUSE Linux Enterprise Workstation Extension 12
Ubuntu
Basesystem Module
Development Tools Module
Legacy Module
SUSE Real Time Module
Public Cloud Module
openSUSE Leap
openEuler
APEX Cloud Platform for Microsoft Azure
SmartFabric Storage Software
RecoverPoint for Virtual Machines
IBM DataPower Gateway
linux-image-generic (Ubuntu package)
linux-image-oracle-lts-18.04 (Ubuntu package)
linux-image-lowlatency (Ubuntu package)
linux-image-kvm (Ubuntu package)
linux-image-ibm (Ubuntu package)
linux-image-gcp (Ubuntu package)
linux-image-azure (Ubuntu package)
linux-image-5.4.0-1133-azure (Ubuntu package)
linux-image-5.4.0-1132-gcp (Ubuntu package)
linux-image-5.4.0-1075-ibm (Ubuntu package)
linux-image-gcp-lts-18.04 (Ubuntu package)
linux-image-azure-lts-18.04 (Ubuntu package)
linux-image-4.4.0-260-generic (Ubuntu package)
linux-image-4.4.0-260-lowlatency (Ubuntu package)
linux-image-aws (Ubuntu package)
linux-image-5.4.0-1112-raspi (Ubuntu package)
linux-image-generic-lts-xenial (Ubuntu package)
linux-image-lowlatency-lts-xenial (Ubuntu package)
linux-image-virtual (Ubuntu package)
linux-image-virtual-lts-xenial (Ubuntu package)
linux-image-4.4.0-1137-aws (Ubuntu package)
linux-image-aws-lts-18.04 (Ubuntu package)
linux-image-4.15.0-230-lowlatency (Ubuntu package)
linux-image-4.15.0-230-generic (Ubuntu package)
linux-image-4.15.0-1182-azure (Ubuntu package)
linux-image-4.15.0-1174-aws (Ubuntu package)
linux-image-4.15.0-1167-gcp (Ubuntu package)
linux-image-4.15.0-1157-kvm (Ubuntu package)
linux-image-4.15.0-1136-oracle (Ubuntu package)
linux-image-aws-hwe (Ubuntu package)
linux-image-raspi-hwe-18.04 (Ubuntu package)
linux-image-5.4.0-1128-aws (Ubuntu package)
linux-image-virtual-hwe-18.04 (Ubuntu package)
linux-image-snapdragon-hwe-18.04 (Ubuntu package)
linux-image-oracle (Ubuntu package)
linux-image-oem-osp1 (Ubuntu package)
linux-image-oem (Ubuntu package)
linux-image-lowlatency-hwe-18.04 (Ubuntu package)
linux-image-generic-hwe-18.04 (Ubuntu package)
linux-image-5.4.0-189-lowlatency (Ubuntu package)
linux-image-5.4.0-189-generic (Ubuntu package)
linux-image-5.4.0-1127-oracle (Ubuntu package)
linux-image-4.4.0-1138-kvm (Ubuntu package)
linux-image-generic-hwe-16.04 (Ubuntu package)
linux-image-gke (Ubuntu package)
linux-image-lowlatency-hwe-16.04 (Ubuntu package)
linux-image-virtual-hwe-16.04 (Ubuntu package)
linux-image-4.4.0-1175-aws (Ubuntu package)
kgraft-patch-4_12_14-122_228-default
kernel-livepatch-5_14_21-150500_55_80-default
kernel-livepatch-SLE15-SP5_Update_19-debugsource
kernel-livepatch-5_14_21-150500_55_80-default-debuginfo
kernel-livepatch-5_14_21-150500_13_67-rt-debuginfo
kernel-livepatch-5_14_21-150500_13_67-rt
kernel-livepatch-SLE15-SP5-RT_Update_19-debugsource
kernel-livepatch-SLE15-SP6-RT_Update_2-debugsource
kernel-livepatch-6_4_0-150600_10_8-rt-debuginfo
kernel-livepatch-6_4_0-150600_10_8-rt
kernel-livepatch-6_4_0-150600_23_22-default
kernel-livepatch-6_4_0-150600_23_22-default-debuginfo
kernel-livepatch-SLE15-SP6_Update_4-debugsource
kernel-rt-devel-debuginfo
kernel-rt_debug-debuginfo
cluster-md-kmp-rt
dlm-kmp-rt
kernel-rt-devel
kernel-rt-base-debuginfo
kernel-rt_debug-debugsource
ocfs2-kmp-rt
ocfs2-kmp-rt-debuginfo
kernel-rt_debug-devel
kernel-rt-base
dlm-kmp-rt-debuginfo
kernel-devel-rt
kernel-source-rt
kernel-rt
kernel-rt_debug
kernel-rt_debug-devel-debuginfo
kernel-syms-rt
gfs2-kmp-rt-debuginfo
gfs2-kmp-rt
kernel-rt-debugsource
cluster-md-kmp-rt-debuginfo
kernel-rt-debuginfo
kernel-azure-debugsource
kernel-azure-debuginfo
kernel-syms-azure
kernel-azure-base-debuginfo
kernel-devel-azure
kernel-source-azure
kernel-azure-base
kernel-azure
kernel-azure-devel
kernel-default-man
kernel-default-kgraft
kernel-default-kgraft-devel
kernel-default-extra-debuginfo
kernel-default-devel-debuginfo
kernel-default-extra
kernel-syms
ocfs2-kmp-default
kernel-default-base
kernel-default-debugsource
dlm-kmp-default
cluster-md-kmp-default
ocfs2-kmp-default-debuginfo
kernel-default-base-debuginfo
dlm-kmp-default-debuginfo
gfs2-kmp-default
kernel-default-debuginfo
gfs2-kmp-default-debuginfo
kernel-default
kernel-devel
kernel-macros
kernel-source
kernel-default-devel
cluster-md-kmp-default-debuginfo
kernel-obs-build-debugsource
kernel-docs
kernel-obs-build
kernel
perf
kernel-tools-debuginfo
kernel-debuginfo
python3-perf-debuginfo
bpftool-debuginfo
kernel-tools-devel
kernel-debugsource
python3-perf
perf-debuginfo
python2-perf
python2-perf-debuginfo
bpftool
kernel-tools
linux-image-generic-lpae (Ubuntu package)
linux-image-5.4.0-189-generic-lpae (Ubuntu package)
linux-image-5.4.0-1040-iot (Ubuntu package)
linux-image-xilinx-zynqmp (Ubuntu package)
linux-image-5.4.0-1047-xilinx-zynqmp (Ubuntu package)
linux-image-ibm-lts-20.04 (Ubuntu package)
linux-image-bluefield (Ubuntu package)
linux-image-5.4.0-1088-bluefield (Ubuntu package)
linux-image-gkeop (Ubuntu package)
linux-image-gkeop-5.4 (Ubuntu package)
linux-image-5.4.0-1095-gkeop (Ubuntu package)
linux-image-raspi2 (Ubuntu package)
linux-image-raspi (Ubuntu package)
linux-image-5.4.0-1116-kvm (Ubuntu package)
linux-image-oracle-lts-20.04 (Ubuntu package)
linux-image-aws-lts-20.04 (Ubuntu package)
linux-image-gcp-lts-20.04 (Ubuntu package)
linux-image-azure-lts-20.04 (Ubuntu package)
kernel-headers
kernel-core
kernel-debug-devel
kernel-debug-core
kernel-debug
kernel-debug-modules-internal
kernel-modules-internal
kernel-tools-libs
kernel-modules-extra
kernel-modules
kernel-debug-modules-extra
kernel-debug-modules
kernel-tools-libs-devel
linux (Debian package)
kernel-rt_debug-vdso
kernel-rt-vdso
kernel-rt_debug-livepatch-devel
kernel-rt-optional-debuginfo
kernel-rt-optional
kernel-rt-extra
reiserfs-kmp-rt-debuginfo
kernel-rt-livepatch
reiserfs-kmp-rt
kselftests-kmp-rt-debuginfo
kernel-rt-livepatch-devel
kselftests-kmp-rt
kernel-rt-extra-debuginfo
kernel-rt-vdso-debuginfo
kernel-rt_debug-vdso-debuginfo
gfs2-kmp-azure
dlm-kmp-azure-debuginfo
reiserfs-kmp-azure
kernel-azure-optional-debuginfo
kernel-azure-extra-debuginfo
cluster-md-kmp-azure-debuginfo
ocfs2-kmp-azure
kselftests-kmp-azure-debuginfo
kernel-azure-devel-debuginfo
reiserfs-kmp-azure-debuginfo
kselftests-kmp-azure
kernel-azure-livepatch-devel
cluster-md-kmp-azure
gfs2-kmp-azure-debuginfo
kernel-azure-optional
kernel-azure-vdso-debuginfo
kernel-azure-vdso
dlm-kmp-azure
ocfs2-kmp-azure-debuginfo
kernel-azure-extra
dtb-amazon
dtb-arm
dtb-exynos
dtb-aarch64
kernel-obs-qa
dtb-marvell
dtb-lg
dtb-rockchip
dtb-qcom
dtb-altera
dtb-amlogic
dtb-nvidia
dtb-amd
dtb-xilinx
dtb-allwinner
dtb-broadcom
dtb-socionext
dtb-sprd
dtb-freescale
dtb-apm
dtb-apple
dtb-hisilicon
dtb-mediatek
dtb-cavium
dtb-renesas
dlm-kmp-64kb-debuginfo
kernel-kvmsmall-livepatch-devel
kernel-kvmsmall-debugsource
kernel-kvmsmall-debuginfo
kernel-kvmsmall-devel-debuginfo
kernel-kvmsmall-devel
kernel-default-vdso-debuginfo
kernel-default-optional-debuginfo
kernel-default-livepatch
kernel-debug-debugsource
kernel-docs-html
kernel-source-vanilla
kernel-debug-livepatch-devel
kselftests-kmp-default
kernel-debug-devel-debuginfo
kernel-debug-debuginfo
kernel-kvmsmall-vdso-debuginfo
kernel-kvmsmall-vdso
kernel-debug-vdso
kernel-default-vdso
kernel-debug-vdso-debuginfo
kernel-64kb-debugsource
kernel-64kb-optional-debuginfo
ocfs2-kmp-64kb
kernel-64kb-devel-debuginfo
kselftests-kmp-64kb
kselftests-kmp-64kb-debuginfo
cluster-md-kmp-64kb
reiserfs-kmp-64kb-debuginfo
kernel-64kb-debuginfo
kernel-64kb-devel
dlm-kmp-64kb
kernel-64kb-optional
reiserfs-kmp-64kb
cluster-md-kmp-64kb-debuginfo
kernel-64kb-extra
ocfs2-kmp-64kb-debuginfo
kernel-default-optional
kernel-default-livepatch-devel
reiserfs-kmp-default-debuginfo
kselftests-kmp-default-debuginfo
gfs2-kmp-64kb-debuginfo
reiserfs-kmp-default
kernel-kvmsmall
kernel-zfcpdump
kernel-zfcpdump-debuginfo
kernel-zfcpdump-debugsource
gfs2-kmp-64kb
kernel-64kb-extra-debuginfo
kernel-64kb
kernel-64kb-livepatch-devel
kernel-default-base-rebuild
linux-image-lowlatency-64k (Ubuntu package)
linux-image-generic-64k (Ubuntu package)
linux-image-5.15.0-116-lowlatency (Ubuntu package)
linux-image-5.15.0-116-lowlatency-64k (Ubuntu package)
linux-image-5.15.0-116-generic (Ubuntu package)
linux-image-5.15.0-116-generic-64k (Ubuntu package)
linux-image-5.15.0-116-generic-lpae (Ubuntu package)
linux-image-oem-20.04d (Ubuntu package)
linux-image-generic-64k-hwe-20.04 (Ubuntu package)
linux-image-generic-hwe-20.04 (Ubuntu package)
linux-image-generic-lpae-hwe-20.04 (Ubuntu package)
linux-image-oem-20.04 (Ubuntu package)
linux-image-oem-20.04b (Ubuntu package)
linux-image-lowlatency-64k-hwe-20.04 (Ubuntu package)
linux-image-lowlatency-hwe-20.04 (Ubuntu package)
linux-image-virtual-hwe-20.04 (Ubuntu package)
linux-image-oem-20.04c (Ubuntu package)
linux-image-5.15.0-1035-xilinx-zynqmp (Ubuntu package)
linux-image-gkeop-5.15 (Ubuntu package)
linux-image-5.15.0-1048-gkeop (Ubuntu package)
linux-image-raspi-nolpae (Ubuntu package)
linux-image-5.15.0-1058-raspi (Ubuntu package)
linux-image-5.15.0-1058-ibm (Ubuntu package)
linux-image-nvidia (Ubuntu package)
linux-image-nvidia-lowlatency (Ubuntu package)
linux-image-5.15.0-1060-nvidia-lowlatency (Ubuntu package)
linux-image-5.15.0-1060-nvidia (Ubuntu package)
linux-image-5.15.0-1060-intel-iotg (Ubuntu package)
linux-image-gke-5.15 (Ubuntu package)
linux-image-5.15.0-1062-kvm (Ubuntu package)
linux-image-5.15.0-1062-gke (Ubuntu package)
linux-image-oracle-lts-22.04 (Ubuntu package)
linux-image-5.15.0-1063-oracle (Ubuntu package)
linux-image-gcp-lts-22.04 (Ubuntu package)
linux-image-5.15.0-1064-gcp (Ubuntu package)
linux-image-aws-lts-22.04 (Ubuntu package)
linux-image-5.15.0-1065-aws (Ubuntu package)
linux-image-5.15.0-1065-gcp (Ubuntu package)
linux-image-azure-lts-22.04 (Ubuntu package)
linux-image-5.15.0-1068-azure (Ubuntu package)
linux-image-5.15.0-1068-azure-fde (Ubuntu package)
linux-image-azure-cvm (Ubuntu package)
linux-image-azure-fde (Ubuntu package)
linux-image-azure-fde-lts-22.04 (Ubuntu package)
linux-image-virtual-hwe-24.04 (Ubuntu package)
linux-image-generic-hwe-24.04 (Ubuntu package)
linux-image-generic-64k-hwe-24.04 (Ubuntu package)
linux-image-6.8.0-35-lowlatency-64k (Ubuntu package)
linux-image-6.8.0-35-lowlatency (Ubuntu package)
linux-image-6.8.0-35-generic-64k (Ubuntu package)
linux-image-6.8.0-35-generic (Ubuntu package)
linux-image-6.8.0-1004-gke (Ubuntu package)
linux-image-6.8.0-1005-raspi (Ubuntu package)
linux-image-6.8.0-1006-ibm (Ubuntu package)
linux-image-oracle-64k (Ubuntu package)
linux-image-ibm-classic (Ubuntu package)
linux-image-ibm-lts-24.04 (Ubuntu package)
linux-image-6.8.0-1006-oem (Ubuntu package)
linux-image-6.8.0-1006-oracle (Ubuntu package)
linux-image-6.8.0-1006-oracle-64k (Ubuntu package)
linux-image-oem-24.04 (Ubuntu package)
linux-image-oem-24.04a (Ubuntu package)
linux-image-6.8.0-1008-azure (Ubuntu package)
linux-image-6.8.0-1008-azure-fde (Ubuntu package)
linux-image-intel-iotg (Ubuntu package)
linux-image-intel (Ubuntu package)

Detailed vulnerability description

The vulnerability allows a local user to perform a denial of service (DoS) attack.

The vulnerability exists due to improper locking within the vfio_send_intx_eventfd(), vfio_intx_handler() and vfio_pci_set_intx_trigger() functions in drivers/vfio/pci/vfio_pci_intrs.c. A local user can perform a denial of service (DoS) attack.


How to mitigate CVE-2024-26812

Install update from vendor's website.

Sources